#556EA5#556EA5

#556EA5 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.3% C 0.092 H 264.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#556EA5
RGB	rgb(85, 110, 165)
HSL	hsl(221, 32%, 49%)
HSV	hsv(221, 48%, 65%)
CMYK	cmyk(48.5%, 33.3%, 0%, 35.3%)
CIE-LAB	lab(46.71, 6.42, -32.43)
CIE-LCH	lch(46.71, 33.06, 281.20°)
OKLab	oklab(54.27% -0.0081 -0.0912)
OKLCH	oklch(54.27% 0.092 264.9)
XYZ	xyz(16.1116, 15.7987, 37.7905)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#556EA5 #A58C55

analogous

#5596A5 #556EA5 #6455A5

triadic

#556EA5 #A5556E #6EA555

tetradic

#556EA5 #A55596 #A58C55 #55A564

square

#556EA5 #A55596 #A58C55 #55A564

split-complementary

#556EA5 #A56455 #96A555

monochromatic

#2B3854 #40537D #556EA5 #7C90BB #A4B2D0

Accessibility & contrast

On white

5.05

#556EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#556EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #556EA5

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##556EA5	#FFFFFF	#000000	##FFFFFF
##556EA5	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5973A7

Deuteranopia (green-blind)

#516BA4

Tritanopia (blue-blind)

#347A82

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #556ea5;
/* rgb */ color: rgb(85, 110, 165);
/* oklch */ color: oklch(54.3% 0.092 264.9);

Tailwind

colors: {
  custom: {
    50: '#8997c0',
    500: '#556ea5',
    950: '#000000',
  },
}

SCSS

$custom: #556ea5;
$custom-light: #8997c0;
$custom-dark: #000000;

JSON

{
  "hex": "#556ea5",
  "rgb": {
    "r": 85,
    "g": 110,
    "b": 165
  },
  "hsl": {
    "h": 221.25,
    "s": 32,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54268,
    "c": 0.09152,
    "h": 264.9
  },
  "luminance": 0.158
}

Semantic roles & 50–950 ramp

primary

#556EA5

secondary

#BEB298

accent

#A760C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #556EA5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →